101 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Saint Charles: EcoShield Pest Solutions, CR Score 62/100; 4.7★ from 4,792 Google reviews; open Saturdays until 12 PM.
Best for emergencies (open 24/7): ABC Humane Wildlife Control and Prevention Inc., posts 24/7 hours; ranked #2 of 101.
Most-reviewed: Perma-Seal Basement Systems, 12,405 Google reviews at 4.9★, the most of 101 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
101 Saint Charles insulation contractors are ranked here by CR Score, from ten published factors. 12 are open 24/7, 64 open Saturdays and 32 open Sundays, based on posted hours. The median Google rating is 4.9★ across 101 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoShield Pest Solutions | 62 | 4.7★ (4,792) | Geneva, 2 mi away | Sat | Overall |
| 2 | ABC Humane Wildlife Control and Prevention Inc. | 57 | 4.8★ (369) | Des Plaines, 24 mi away | 24/7 | Emergencies |
| 3 | Moxie Pest Control | 56 | 4.5★ (2,575) | Algonquin, 16 mi away | Sat | — |
| 4 | ARC Insulation | 56 | 4.9★ (609) | Romeoville, 22 mi away | Sat | — |
| 5 | Koala Insulation of Chicago - Western Suburbs | 55 | 5.0★ (489) | Lombard, 16 mi away | — | — |
| 6 | Green Attic Insulation | 55 | 4.8★ (689) | Des Plaines, 20 mi away | Sat | — |
| 7 | AARCO - American Attic Re-Insulation Company | 55 | 4.9★ (35) | Bartlett, 6 mi away | Sat | — |
| 8 | USA Insulation of South Elgin | 54 | 3.2★ (18) | South Elgin, 6 mi away | 24/7 | — |
| 9 | Royal Home Comfort Services | 54 | 4.8★ (24) | Roselle, 13 mi away | Sat · Sun · Evenings | — |
| 10 | Fox Valley Gutter Cap and Insulation | 54 | 5.0★ (8) | Elgin, 8 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 4,792 Google reviews, listed on Google as “Insulation contractor”.
Based in Des Plaines, 24 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 369 Google reviews, listed on Google as “Insulation contractor”.
Based in Algonquin, 16 mi away
Ranked #3 because of its Google rating and trade focus: 4.5★ from 2,575 Google reviews, listed on Google as “Insulation contractor”.
Based in Romeoville, 22 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 609 Google reviews, listed on Google as “Insulation contractor”.
Based in Lombard, 16 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 489 Google reviews, listed on Google as “Insulation contractor”.
Based in Des Plaines, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 689 Google reviews, listed on Google as “Insulation contractor”.
Based in Bartlett, 6 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Insulation contractor”.
Based in South Elgin, 6 mi away
Ranked #8 because of its Google rating and trade focus: 3.2★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Roselle, 13 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Elgin, 8 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based in Aurora, 8 mi away
Ranked #11 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Schaumburg, 16 mi away
Ranked #12 because of its Google rating and trade focus: 4.3★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Montgomery, 14 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based in Village of Campton Hills, 18 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 74 Google reviews, listed on Google as “Insulation contractor”.
Based in Elgin, 8 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Burr Ridge, 23 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 12,405 Google reviews, the most in Saint Charles.
Based in Elmhurst, 15 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based in Downers Grove, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based in Elmhurst, 20 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Insulation contractor”.
Based in Rolling Meadows, 18 mi away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 180 Google reviews, listed on Google as “Insulation contractor”.
Based in Westmont, 20 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based in Schaumburg, 13 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 111 Google reviews.
Based in Lombard, 16 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based in Bensenville, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Oswego, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Insulation contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 101 ranked insulation contractors here; the rest are on their profiles.
20 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 360° Painting of Naperville & St. Charles | 4.8★ (107) | In Saint Charles |
| A&K Construction Renovation Inc. | 5.0★ (80) | In Saint Charles |
| Abbott Builders | 5.0★ (20) | In Saint Charles |
| Accurate Wire & Insulation | 5.0★ (2) | 7 mi |
| Add More Insulation Inc | 5.0★ (1) | 24 mi |
| CB&I Insulation Betterment Center | 5.0★ (1) | 21 mi |
| Custom Welding and Fab | 5.0★ (9) | In Saint Charles |
| Energy Plus Insulation | 5.0★ (1) | 9 mi |
| Energy Plus Insulation LLC | 5.0★ (1) | 8 mi |
| Energy Smart Insulation | 3.0★ (1) | 18 mi |
| EXTERIORS Windows & Siding Installers | 5.0★ (43) | In Saint Charles |
| Hudson Insulation Solutions | 5.0★ (2) | 21 mi |
| Insutech Construction | 1.0★ (1) | 24 mi |
| KM Concrete Raising & Insulation, LLC | 5 mi | |
| LP Insulation of Naperville | 5.0★ (1) | 14 mi |
| PEARSON FIX IT LLC | 1.0★ (1) | 19 mi |
| PrimePac General Contractor Additions & Decks | 5.0★ (13) | In Saint Charles |
| TDH Mechanical, Heating and Cooling Contractors | 4.9★ (352) | In Saint Charles |
| ThermaDrain, Inc | 5 mi | |
| Woodridge's Insulation Solutions | 5.0★ (1) | 12 mi |
National price ranges in USD, not adjusted for Saint Charles. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
We scored 101 Saint Charles insulation contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Saint Charles data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |